The Switch,proximity, cataloged under National Stock Number 5930-01-464-4620, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Topworx Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-464-4620 |
| Primary Part Number | 21-11428-00 |
| Item Name | Switch,proximity |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Topworx Inc |
| Status | ACTIVE |
| Operating Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 221.0 FAHRENHEIT MAXIMUM DEGF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 21-11428-00 PRIMARY | Topworx Inc (USA) |
NSN 5930-01-464-4620 is a Switch,proximity, manufactured by Topworx Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-464-4620 has 1 manufacturer part number on file: 21-11428-00 (Topworx Inc).
Key specifications for 21-11428-00: Operating Temp Rating: -40.0 FAHRENHEIT MINIMUM AND 221.0 FAHRENHEIT MAXIMUM DEGF; Special Features: SIZE 1-1/2 INCHES SQUARE X 3-13/16 INCHES LONG WITH 1/2 INCH-14 NPT CONDUIT OUTLET; ADD 1/2 INCH FOR BOTTOM CONDUIT; CONTACT ARRANGEMENT SINGLE POLE DOUBLE THROW; SENSING CHARACTERISTICS APPROXIMATELY 3/8 INCH SIDE SENSING; OUTLET POSITION SAME SIDE AS SENSING AREA; ENCLOSURE MATERIAL STAINLESS STEEL; UL LISTED GENERAL PURPOSE; TERMINATION OPTIONS-TERMINAL BLOCK ONLY IN; End Item Identification: DOOR ASSEMBLY 35 FT, PART NUMBER 1281-1-1 ABOARD 420 FT WAGB COAST GUARD VESSELS FT. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.